Solved: [SOLVED] Optiplex 990 PCI Serial Port VEN_8086 DEV_1C3D SUBSYS_047E1028 WINXP Driver - Dell Community
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Amazon.com: Micro Connectors, Inc. Plug and Play USB to Dual Serial DB9 Adapter Windows 10 / Win 8/ 7/ XP/ Vista / Mac (E07-162) : Everything Else
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